.back-to-top{position:fixed;right:22px;bottom:22px;z-index:1000;height:48px;padding:0 17px 0 8px;border-radius:999px;background:var(--ink);color:#fff;display:flex;align-items:center;gap:9px;font-size:12px;font-weight:800;box-shadow:0 12px 35px rgba(16,17,22,.28);border:1px solid rgba(255,255,255,.15);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .25s,transform .25s,background .25s}.back-to-top span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--ink);font-size:17px}.back-to-top:hover{background:#292b31;transform:translateY(-3px)}.back-to-top.is-visible{opacity:1;transform:none;pointer-events:auto}@media(max-width:580px){.back-to-top{right:14px;bottom:14px;padding-right:8px}.back-to-top b{display:none}}